| .TH PLOT 1 |
| .SH NAME |
| plot \- graphics filter |
| .SH SYNOPSIS |
| .B plot |
| [ |
| .I file ... |
| ] |
| .SH DESCRIPTION |
| .I Plot |
| interprets plotting instructions (see |
| .IR plot (7)) |
| from the |
| .I files |
| or standard input, |
| drawing the results in a newly created |
| .IR rio (1) |
| window. |
| Plot persists until a newline is typed in the window. |
| Various options may be interspersed with the |
| .I file |
| arguments; they take effect at the given point in processing. |
| Options are: |
| .TP "\w'\fL-g \fIgrade\fLXX'u" |
| .B -d |
| Double buffer: accumulate the plot off-screen and write to the screen all at once |
| when an erase command is encountered or at end of file. |
| .TP |
| .B -e |
| Erase the screen. |
| .TP |
| .BI -c " col" |
| Set the foreground color (see |
| .IR plot (7) |
| for color names). |
| .TP |
| .BI -f " fill" |
| Set the background color. |
| .TP |
| .BI -g " grade" |
| Set the quality factor for arcs. |
| Higher grades give better quality. |
| .TP |
| .BI -p " col" |
| Set the pen color. |
| .TP |
| .BI -w |
| Pause until a newline is typed on standard input. |
| .TP |
| .B -C |
| Close the current plot. |
| .TP |
| .B -W " x0,y0,x1,y1" |
| Specify the bounding rectangle of plot's window. |
| By default it uses a 512×512 window in the |
| middle of the screen. |
| .SH SOURCE |
| .B \*9/src/cmd/plot |
| .SH "SEE ALSO" |
| .IR rio (1), |
| .IR plot (7) |
